Looking for a portable wireless speaker that gets noticed? Then your search stops here! With incredible sound thanks to its built-in subwoofer, this pocket-sized speaker carries an enormous punch. Use the included looping strap to attach the speaker to any bike, backpack, or bag & play the soundtrack to your next adventure. Dual-sided, full-color printing gives any brand double the exposure while its built-in microphone makes sure your calls are just a button away. Complies with Prop 65. 1.3" W x 3.7" L x 3" H